@Test
@Transactional
@Rollback(true)
public void save_valid(){
Tag tag = new JpaTag();
String ordnance = "ordnance";
tag.setKeyword(ordnance);
tag.setWidgets(new ArrayList<WidgetTag>());
repository.save(tag);
Tag foundTag = repository.getByKeyword(ordnance);
assertNotNull(foundTag);
assertEquals(tag.getKeyword(), foundTag.getKeyword());
assertEquals(tag.getWidgets().size(), foundTag.getWidgets().size());
}